/* ========================================
   CSS 变量和基础设置
   ======================================== */
:root {
    --primary-color: #ffffff;
    --secondary-color: #f8f9fa;
    --tertiary-color: #e9ecef;
    /* 数据海洋色系 */
    --ocean-deep: #0a4d68;
    --ocean-blue: #1e7ba5;
    --ocean-light: #3d8bc7;
    --ocean-surface: #5fa8d3;
    --ocean-foam: #88c6e8;
    --accent-color: #1e7ba5;
    --accent-hover: #0a4d68;
    --accent-light: #3d8bc7;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #808080;
    --border-color: #e0e0e0;
    /* 数据海洋渐变 */
    --gradient-ocean: linear-gradient(135deg, 
        rgba(10, 77, 104, 0.95) 0%, 
        rgba(30, 123, 165, 0.9) 50%,
        rgba(61, 139, 199, 0.85) 100%);
    --gradient-wave: linear-gradient(90deg, 
        transparent,
        rgba(95, 168, 211, 0.3),
        transparent);
    --box-shadow: 0 4px 20px rgba(30, 123, 165, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max-width: 1400px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    background-color: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    height: 100%;
}

/* 宽度低于1280px时显示横向滚动条 */
@media (max-width: 1279px) {
    body {
        overflow-x: auto;
    }
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   导航栏
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 浅色导航栏 - 适用于深色背景屏幕 */
.header-dark {
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.header-dark.scrolled {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* 深色导航栏 - 适用于浅色背景屏幕 */
.header-light {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.header-light.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--box-shadow);
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    column-gap: 2rem;
}

.nav-left {
    display: flex;
    justify-content: flex-start;
}

.nav-center {
    display: flex;
    justify-content: center;
}

.nav-right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-family: 'AlimamaShuHeiTi-Bold', 'AlimamaShuHeiTi', sans-serif;
    font-weight: bold;
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.8;
}

.logo i {
    font-size: 2rem;
}

.logo-image {
    height: auto;
    max-height: 32px;
    width: auto;
}

/* 深色背景下的logo样式 */
.header-dark .logo {
    color: #ffffff;
}

.header-dark .logo i {
    color: rgba(136, 198, 232, 0.9);
}

/* 浅色背景下的logo样式 */
.header-light .logo {
    color: var(--text-primary);
}

.header-light .logo i {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    transition: var(--transition);
}

/* Disable hover underline for header-light */
.header-light .nav-link:hover::after {
    width: 0;
}

/* 深色背景下的导航链接样式 */
.header-dark .nav-link {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.header-dark .nav-link::after {
    background: #00AE68;
    transition: width 0.3s ease;
}

.header-dark .nav-link:hover {
    color: #00AE68;
}

.header-dark .nav-link:hover::after {
    width: 100%;
}

.header-dark .nav-link.active {
    color: #00AE68 !important;
    font-weight: 600;
}

.header-dark .nav-link.active::after {
    width: 0;
}

/* 浅色背景下的导航链接样式 */
.header-light .nav-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.header-light .nav-link::after {
    background: #00AE68;
    transition: width 0.3s ease;
}

/* 下拉菜单样式 */
.nav-item-dropdown {
    position: relative;
}

.nav-item-dropdown .nav-link {
    cursor: pointer;
}

.nav-item-dropdown .nav-link::after {
    display: none;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(224, 224, 224, 0.5);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    list-style: none;
    padding: 12px 0;
    margin-top: 12px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    backdrop-filter: blur(20px);
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-item {
    display: block;
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    line-height: 1.6;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: linear-gradient(90deg, rgba(0, 174, 104, 0.08) 0%, transparent 100%);
    color: #00AE68;
    border-left-color: #00AE68;
    padding-left: 28px;
}

/* 深色导航栏下的下拉菜单 */
.header-dark .dropdown-menu {
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.header-dark .dropdown-item {
    color: rgba(255, 255, 255, 0.85);
}

.header-dark .dropdown-item:hover {
    background: linear-gradient(90deg, rgba(0, 174, 104, 0.15) 0%, transparent 100%);
    color: #00AE68;
}

.header-light .nav-link:hover {
    color: #00AE68;
}

.header-light .nav-link:hover::after {
    width: 100%;
}

.header-light .nav-link.active {
    color: #00AE68 !important;
    font-weight: 600;
}

.header-light .nav-link.active::after {
    width: 0;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-btn {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.lang-switch {
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 6px 12px;
    border-radius: 6px;
    user-select: none;
}

/* 搜索容器样式 */
.search-container {
    display: flex;
    align-items: center;
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 16px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    width: 200px;
    transition: var(--transition);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-btn {
    background: transparent;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 语言切换容器样式 */
.lang-switch-container {
    display: flex;
    align-items: center;
    gap: 4px;
}

.lang-switch {
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 4px 8px;
    border-radius: 4px;
    user-select: none;
    font-size: 0.9rem;
}

.lang-divider {
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
}

/* 深色背景下的导航操作样式 */
.header-dark .search-container {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.header-dark .search-input {
    color: rgba(255, 255, 255, 0.9);
}

.header-dark .search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.header-dark .search-btn {
    color: rgba(255, 255, 255, 0.7);
}

.header-dark .search-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.header-dark .lang-switch {
    color: rgba(255, 255, 255, 0.8);
}

.header-dark .lang-switch:hover {
    color: #ffffff;
}

.header-dark .lang-switch.active {
    color: #00AE68;
    background: transparent;
}

.header-dark .lang-divider {
    color: rgba(255, 255, 255, 0.5);
}

/* 浅色背景下的导航操作样式 */
.header-light .search-container {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
}

.header-light .search-input {
    color: var(--text-primary);
}

.header-light .search-input::placeholder {
    color: var(--text-secondary);
}

.header-light .search-btn {
    color: var(--text-secondary);
}

.header-light .search-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.05);
}

.header-light .lang-switch {
    color: var(--text-secondary);
}

.header-light .lang-switch:hover {
    color: var(--text-primary);
}

.header-light .lang-switch.active {
    color: #00AE68;
    background: transparent;
}

.header-light .lang-divider {
    color: var(--text-muted);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    transition: var(--transition);
}

/* 深色背景下的移动端菜单按钮样式 */
.header-dark .mobile-menu-btn span {
    background: rgba(255, 255, 255, 0.8);
}

/* 浅色背景下的移动端菜单按钮样式 */
.header-light .mobile-menu-btn span {
    background: var(--text-primary);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .search-input {
        width: 150px;
    }
    
    .nav-menu {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .search-container {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-actions {
        gap: 1rem;
    }
    
    .lang-switch-container {
        order: -1;
    }
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 0 0 0;
    overflow: hidden;
    margin: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/images/hero-bg-poster.jpg') center/cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(10, 77, 104, 0.2) 0%, 
        rgba(30, 123, 165, 0.1) 50%,
        transparent 100%);
    pointer-events: none;
}

/* 数据海洋波浪动画 */
.data-ocean {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: 0.6;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: var(--gradient-wave);
    animation: wave-animation 15s linear infinite;
}

.wave1 {
    opacity: 0.4;
    animation-duration: 20s;
}

.wave2 {
    opacity: 0.3;
    animation-duration: 25s;
    animation-delay: -5s;
}

.wave3 {
    opacity: 0.2;
    animation-duration: 30s;
    animation-delay: -10s;
}

@keyframes wave-animation {
    0% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(-25%) translateY(-10px);
    }
    100% {
        transform: translateX(-50%) translateY(0);
    }
}

/* 数据粒子效果 - 增强版 */
.data-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle, rgba(136, 198, 232, 0.15) 1px, transparent 1px),
        radial-gradient(circle, rgba(95, 168, 211, 0.1) 2px, transparent 2px);
    background-size: 50px 50px, 80px 80px, 120px 120px;
    background-position: 0 0, 40px 60px, 130px 270px;
    animation: particles-float 60s linear infinite;
    opacity: 0.4;
    pointer-events: none;
    z-index: 8;
}

@keyframes particles-float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
    100% {
        transform: translateY(0) rotate(360deg);
    }
}

/* 单个粒子元素 */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, rgba(136, 198, 232, 0.9) 0%, rgba(136, 198, 232, 0.3) 50%, transparent 100%);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(136, 198, 232, 0.6),
                0 0 15px rgba(136, 198, 232, 0.3);
    animation: particle-float 15s ease-in-out infinite;
}

/* 不同粒子的位置和动画 */
.particle-1 { left: 10%; top: 20%; animation-duration: 12s; animation-delay: 0s; }
.particle-2 { left: 25%; top: 60%; animation-duration: 15s; animation-delay: -2s; }
.particle-3 { left: 40%; top: 30%; animation-duration: 18s; animation-delay: -4s; }
.particle-4 { left: 55%; top: 70%; animation-duration: 14s; animation-delay: -1s; }
.particle-5 { left: 70%; top: 40%; animation-duration: 16s; animation-delay: -3s; }
.particle-6 { left: 85%; top: 55%; animation-duration: 13s; animation-delay: -5s; }
.particle-7 { left: 15%; top: 80%; animation-duration: 17s; animation-delay: -6s; }
.particle-8 { left: 30%; top: 45%; animation-duration: 19s; animation-delay: -2.5s; }
.particle-9 { left: 50%; top: 15%; animation-duration: 14.5s; animation-delay: -4.5s; }
.particle-10 { left: 65%; top: 85%; animation-duration: 16.5s; animation-delay: -1.5s; }
.particle-11 { left: 80%; top: 25%; animation-duration: 15.5s; animation-delay: -3.5s; }
.particle-12 { left: 20%; top: 50%; animation-duration: 13.5s; animation-delay: -5.5s; }
.particle-13 { left: 45%; top: 65%; animation-duration: 18.5s; animation-delay: -0.5s; }
.particle-14 { left: 60%; top: 35%; animation-duration: 12.5s; animation-delay: -4.8s; }
.particle-15 { left: 75%; top: 75%; animation-duration: 17.5s; animation-delay: -2.2s; }

/* 粒子漂浮动画 */
@keyframes particle-float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    50% {
        transform: translate(20px, -80px) scale(1.5);
        opacity: 1;
    }
    90% {
        opacity: 0.4;
    }
}

/* 波光闪烁容器 */
.water-sparkles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 6;
}

/* 单个波光 */
.sparkle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: radial-gradient(circle, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.6) 30%, transparent 70%);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8),
                0 0 20px rgba(136, 198, 232, 0.6),
                0 0 30px rgba(136, 198, 232, 0.4);
    animation: sparkle-twinkle 3s ease-in-out infinite;
}

/* 不同波光的位置和动画 */
.sparkle-1 { left: 12%; bottom: 35%; animation-duration: 2.5s; animation-delay: 0s; }
.sparkle-2 { left: 28%; bottom: 48%; animation-duration: 3.2s; animation-delay: -0.8s; }
.sparkle-3 { left: 45%; bottom: 42%; animation-duration: 2.8s; animation-delay: -1.5s; }
.sparkle-4 { left: 62%; bottom: 55%; animation-duration: 3.5s; animation-delay: -0.5s; }
.sparkle-5 { left: 78%; bottom: 38%; animation-duration: 2.6s; animation-delay: -2s; }
.sparkle-6 { left: 20%; bottom: 60%; animation-duration: 3.8s; animation-delay: -1.2s; }
.sparkle-7 { left: 38%; bottom: 52%; animation-duration: 2.9s; animation-delay: -2.5s; }
.sparkle-8 { left: 55%; bottom: 45%; animation-duration: 3.3s; animation-delay: -0.3s; }
.sparkle-9 { left: 70%; bottom: 58%; animation-duration: 2.7s; animation-delay: -1.8s; }
.sparkle-10 { left: 85%; bottom: 50%; animation-duration: 3.1s; animation-delay: -2.3s; }

/* 波光闪烁动画 */
@keyframes sparkle-twinkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0.5) rotate(0deg);
    }
    10% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
        transform: scale(1.5) rotate(180deg);
    }
    90% {
        opacity: 0.3;
    }
}

/* 游艇图片 */
.sailing-boat {
    position: absolute;
    width: 340px; /* 从260px增加到340px */
    height: auto;
    bottom: 28%;
    right: -360px; /* 起始位置也要调整 */
    z-index: 15; /* 确保在波浪、粒子和波光之上 */
    opacity: 0.95;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.3));
    animation: sailing 70s linear infinite; /* 保持70s */
}

.sailing-boat img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

@keyframes sailing {
    0% {
        right: -360px; /* 更新起始位置 */
        bottom: 28%;
        transform: translateY(0) rotate(0deg);
    }
    15% {
        bottom: 32%;
        transform: translateY(-10px) rotate(-1.5deg);
    }
    30% {
        bottom: 26%;
        transform: translateY(5px) rotate(1.2deg);
    }
    45% {
        bottom: 30%;
        transform: translateY(-8px) rotate(-1deg);
    }
    60% {
        bottom: 25%;
        transform: translateY(4px) rotate(0.8deg);
    }
    75% {
        bottom: 29%;
        transform: translateY(-6px) rotate(-0.8deg);
    }
    90% {
        bottom: 27%;
        transform: translateY(3px) rotate(0.5deg);
    }
    100% {
        right: 110%;
        bottom: 28%;
        transform: translateY(0) rotate(0deg);
    }
}

/* 船尾浪花容器 */
.boat-wake {
    position: absolute;
    right: -140px; /* 在游艇右侧（船尾），游艇变大了所以调整 */
    top: 50%;
    transform: translateY(-50%);
    width: 140px;
    height: 100px;
    pointer-events: none;
}

/* 船尾波浪线 */
.wake-wave {
    position: absolute;
    right: 0;
    width: 100px;
    height: 2.5px;
    background: linear-gradient(-90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.7) 50%, rgba(255, 255, 255, 0) 100%);
    border-radius: 50%;
    animation: wake-spread 1.5s ease-out infinite;
}

.wake-1 {
    top: 30%;
    animation-delay: 0s;
}

.wake-2 {
    top: 40%;
    animation-delay: 0.3s;
}

.wake-3 {
    top: 60%;
    animation-delay: 0.6s;
}

.wake-4 {
    top: 70%;
    animation-delay: 0.9s;
}

/* 船尾泡沫效果 */
.wake-foam {
    position: absolute;
    right: 25px;
    width: 50px;
    height: 30px;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.3) 40%, transparent 70%);
    border-radius: 50%;
    animation: foam-churn 1.2s ease-in-out infinite;
}

.wake-foam-left {
    top: 20%;
    animation-delay: 0s;
}

.wake-foam-right {
    top: 55%;
    animation-delay: 0.6s;
}

/* 浪花扩散动画 */
@keyframes wake-spread {
    0% {
        width: 25px;
        opacity: 0;
        transform: translateX(0) scaleY(1);
    }
    30% {
        opacity: 0.8;
    }
    100% {
        width: 110px;
        opacity: 0;
        transform: translateX(35px) scaleY(1.5); /* 向右扩散 */
    }
}

/* 泡沫翻腾动画 */
@keyframes foam-churn {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8) translateX(0);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.2) translateX(20px); /* 向右移动 */
    }
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    width: 100%;
    text-align: center;
}

.hero-main {
    max-width: 900px;
    margin: 0 auto;
}

.hero-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    align-items: center;
    padding: 0;
}

.stat-item {
    text-align: left;
    position: relative;
    padding: 0.9rem 1.2rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 180px;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        rgba(136, 198, 232, 0.8) 0%, 
        rgba(95, 168, 211, 0.6) 50%,
        transparent 100%);
    border-radius: 16px 16px 0 0;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-item:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.stat-number {
    font-family: 'AlimamaShuHeiTi-Bold', 'AlimamaShuHeiTi', sans-serif;
    font-size: 2rem;
    font-weight: bold;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 0.4rem;
    text-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(136, 198, 232, 0.4);
    background: linear-gradient(135deg, #ffffff 0%, rgba(136, 198, 232, 1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.stat-divider {
    width: 2px;
    height: 35px;
    background: rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-family: 'AlimamaShuHeiTi-Bold', 'AlimamaShuHeiTi', sans-serif;
    font-size: 4.5rem;
    font-weight: bold;
    margin-bottom: 2rem;
    line-height: 1.2;
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.hero-title .highlight-text {
    background: linear-gradient(120deg, 
        rgba(136, 198, 232, 1) 0%, 
        rgba(255, 255, 255, 1) 50%,
        rgba(136, 198, 232, 1) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3rem;
    line-height: 2;
    max-width: 800px;
    font-weight: 300;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1.125rem 3rem;
    font-size: 1.0625rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.95) 100%);
    color: var(--ocean-deep);
    font-weight: 600;
    box-shadow: 
        0 4px 20px rgba(255, 255, 255, 0.4),
        0 1px 3px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(136, 198, 232, 0.3), 
        transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--ocean-light) 0%, var(--ocean-blue) 100%);
    color: #ffffff;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 8px 35px rgba(255, 255, 255, 0.5),
        0 0 20px rgba(136, 198, 232, 0.6);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-outline:hover::before {
    width: 300px;
    height: 300px;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--ocean-deep);
    border-color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 
        0 8px 35px rgba(255, 255, 255, 0.4),
        inset 0 0 20px rgba(136, 198, 232, 0.1);
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    position: relative;
    opacity: 0.9;
    margin: 0 auto 15px;
}

.wheel {
    width: 4px;
    height: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { top: 10px; opacity: 1; }
    50% { top: 25px; opacity: 0.5; }
    100% { top: 10px; opacity: 1; }
}

.scroll-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 1px;
    margin-top: 10px;
    animation: fade-pulse 2s ease-in-out infinite;
}

/* ========================================
   首页第二屏 - 全屏视频轮播
   ======================================== */
.fullscreen-video-carousel {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.fullscreen-video-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.fullscreen-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fullscreen-video-overlay {
    position: absolute;
    bottom: 120px;
    right: 80px;
    z-index: 2;
    text-align: right;
    color: #ffffff;
}

.fullscreen-video-title {
    font-family: 'AlimamaShuHeiTi-Bold', 'AlimamaShuHeiTi', sans-serif;
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 1rem;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.fullscreen-video-subtitle {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    white-space: pre-line;
}

.fullscreen-video-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.fullscreen-video-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.fullscreen-video-dot:hover {
    border-color: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

.fullscreen-video-dot.active {
    background: #ffffff;
    border-color: #ffffff;
}

.fullscreen-video-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(0, 0, 0, 0.3);
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.fullscreen-video-arrow:hover {
    background: rgba(255, 255, 255, 0.9);
    color: #000000;
    border-color: #ffffff;
    transform: translateY(-50%) scale(1.1);
}

.fullscreen-video-arrow-left {
    left: 40px;
}

.fullscreen-video-arrow-right {
    right: 40px;
}

@media (max-width: 960px) {
    .fullscreen-video-overlay {
        bottom: 100px;
        right: 40px;
    }

    .fullscreen-video-title {
        font-size: 2.5rem;
    }

    .fullscreen-video-subtitle {
        font-size: 0.9rem;
    }

    .fullscreen-video-arrow {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .fullscreen-video-arrow-left {
        left: 20px;
    }

    .fullscreen-video-arrow-right {
        right: 20px;
    }
}

@keyframes fade-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ========================================
   Section 通用样式
   ======================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: left;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'AlimamaShuHeiTi-Bold', 'AlimamaShuHeiTi', sans-serif;
    font-size: 2.75rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #2b7cb3 0%, #4a90c2 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 2;
}

/* ========================================
   经营范围
   ======================================== */
.business-scope {
    background: var(--secondary-color);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.business-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    position: relative;
    box-shadow: 
        0 4px 20px rgba(30, 123, 165, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.06);
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, 
        var(--ocean-light) 0%, 
        var(--ocean-blue) 50%,
        var(--ocean-deep) 100%);
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.business-card:hover::before {
    opacity: 1;
}

.business-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(30, 123, 165, 0.2),
        0 8px 16px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.business-icon {
    position: absolute;
    top: 24px;
    left: 24px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--ocean-light) 0%, var(--ocean-blue) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-color);
    z-index: 2;
    box-shadow: 
        0 4px 20px rgba(30, 123, 165, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.4s ease;
}

.business-card:hover .business-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 6px 30px rgba(30, 123, 165, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.business-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: #2d2d2d;
    position: relative;
}

.business-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(26, 26, 26, 0.8) 100%);
}

.business-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.business-card:hover .business-image img {
    transform: scale(1.1);
}

.business-content {
    padding: 1.5rem;
}

.business-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.business-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   重点业务板块
   ======================================== */
.service-modules {
    background: #ffffff;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.module-card {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: var(--transition);
}

.module-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.module-card:hover::before {
    transform: scaleX(1);
}

.module-icon {
    width: 60px;
    height: 60px;
    background: rgba(245, 166, 35, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.module-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.module-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.module-btn {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.module-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--primary-color);
    transform: translateX(5px);
}

/* ========================================
   集团动态
   ======================================== */
.news-section {
    background: var(--secondary-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.news-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
    border-color: var(--accent-color);
}

.news-card.large {
    grid-column: span 1;
}

.news-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.news-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: #2d2d2d;
}

.news-card.small .news-image {
    height: 180px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.news-date {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
}

.news-more {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.news-more:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--primary-color);
}

.news-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   国资要闻 / 媒体聚焦
   ======================================== */
.media-section {
    background: #ffffff;
}

.section-tabs {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 0.75rem 2rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--text-primary);
}

.tab-btn.active::after {
    width: 100%;
}

.media-list {
    max-width: 1000px;
    margin: 0 auto;
}

.media-item {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.media-item:last-child {
    border-bottom: none;
}

.media-item:hover {
    background: rgba(245, 166, 35, 0.05);
    padding-left: 1rem;
    padding-right: 1rem;
}

.media-date {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    min-width: 80px;
}

.media-content {
    flex: 1;
}

.media-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.media-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--accent-color);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col {
    color: rgba(255, 255, 255, 0.9);
}

.footer-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.footer-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-text {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links-bottom {
    display: flex;
    gap: 2rem;
}

.footer-links-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links-bottom a:hover {
    color: #ffffff;
}

/* ========================================
   新版页脚样式（根据设计稿）
   ======================================== */
.box_1 {
    background-color: rgba(1, 21, 7, 1);
    min-height: 400px;
    width: 100%;
    display: flex;
    flex-direction: column;
    padding: 60px max(60px, calc((100% - 1400px) / 2)) 40px;
}

.section_1 {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.text-wrapper_1 {
    position: relative;
    width: 600px;
    height: 120px;
}

.text_1 {
    width: auto;
    overflow-wrap: break-word;
    color: rgba(155, 166, 160, 0.8);
    font-size: 28px;
    text-transform: uppercase;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 40px;
    margin: 0;
    display: block;
    font-family: AlibabaPuHuiTiM;
    position: absolute;
    left: 168px;
    top: 72px;
}

.text_2 {
    position: absolute;
    left: 0;
    top: 0;
    width: auto;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 56px;
    font-family: AlimamaShuHeiTi-Bold;
    font-weight: 700;
    text-align: left;
    white-space: nowrap;
    line-height: 72px;
    display: block;
}

.image_1 {
    width: 120px;
    height: 132px;
    flex-shrink: 0;
}

.section_2 {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1400px;
    width: 100%;
    margin: 80px auto 0;
}

.group_1 {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
}

.text-wrapper_2 {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-left: 60px;
}

.text_3 {
    width: auto;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 18px;
    font-weight: normal;
    text-align: right;
    white-space: nowrap;
    line-height: 28px;
}

.text_4 {
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 42px;
    font-weight: 700;
    text-align: right;
    white-space: nowrap;
    line-height: 56px;
    margin: 8px 0 0 0;
}

.text_5 {
    overflow-wrap: break-word;
    color: rgba(155, 166, 160, 0.8);
    font-size: 16px;
    font-weight: normal;
    text-align: right;
    line-height: 24px;
    margin-top: 12px;
    white-space: normal;
    max-width: 600px;
}

.text-wrapper_3 {
    display: flex;
    align-items: center;
    max-width: 1400px;
    width: 100%;
    margin: 30px auto 0;
}

.text_6 {
    overflow-wrap: break-word;
    color: rgba(155, 166, 160, 0.4);
    font-size: 14px;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 24px;
}

.text_7,
.text_8,
.text_9 {
    overflow-wrap: break-word;
    color: rgba(155, 166, 160, 0.4);
    font-size: 14px;
    font-weight: normal;
    text-align: left;
    white-space: nowrap;
    line-height: 24px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.text_7 {
    margin-left: auto;
}

.text_8 {
    margin-left: 60px;
}

.text_9 {
    margin-left: 60px;
}

.text_7:hover,
.text_8:hover,
.text_9:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* 响应式设计 */
@media (max-width: 1600px) {
    .box_1 {
        padding: 0 40px;
    }
}

@media (max-width: 1200px) {
    .text_2 {
        font-size: 48px;
        line-height: 60px;
    }
    
    .text_1 {
        font-size: 24px;
        line-height: 32px;
        margin-top: 60px;
    }
    
    .text_4 {
        font-size: 36px;
        line-height: 48px;
    }
}

@media (max-width: 960px) {
    .section_1,
    .section_2 {
        flex-direction: column;
        gap: 40px;
    }
    
    .text-wrapper_1 {
        width: 100%;
        height: auto;
    }
    
    .text_1 {
        margin: 60px 0 0 0;
        text-align: left;
    }
    
    .text_2 {
        position: relative;
        width: 100%;
    }
    
    .text-wrapper_2 {
        width: 100%;
        align-items: flex-start;
        margin-left: 0;
    }
    
    .text_3,
    .text_4,
    .text_5 {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .box_1 {
        padding: 0 20px;
        min-height: auto;
    }
    
    .section_1 {
        margin-top: 60px;
    }
    
    .section_2 {
        margin-top: 80px;
    }
    
    .text_2 {
        font-size: 40px;
        line-height: 48px;
    }
    
    .text_1 {
        font-size: 20px;
        line-height: 28px;
        margin-top: 48px;
    }
    
    .text_4 {
        font-size: 36px;
        line-height: 48px;
    }
    
    .text_5 {
        font-size: 16px;
        white-space: normal;
    }
    
    .text-wrapper_3 {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        margin: 40px auto 60px;
    }
    
    .text_7 {
        margin-left: 0;
    }
    
    .text_8,
    .text_9 {
        margin-left: 0;
    }
}

/* ========================================
   响应式设计
   ======================================== */

/* 平板设备 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .business-grid,
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机设备 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 1.5rem;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: 80vh;
        padding: 100px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 1px;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    /* 游艇在平板端适当缩小 */
    .sailing-boat {
        width: 220px; /* 从180px增加到220px */
        bottom: 24%;
        right: -240px; /* 对应调整起始位置 */
        animation-duration: 55s; /* 保持55s */
    }
    
    /* 船尾浪花在平板端缩小 */
    .boat-wake {
        right: -100px;
        width: 100px;
        height: 75px;
    }
    
    .wake-wave {
        width: 75px;
    }
    
    .wake-foam {
        width: 38px;
        height: 24px;
    }
    
    /* 粒子在平板端减少显示 */
    .particle {
        width: 3px;
        height: 3px;
    }
    
    .particle-8, .particle-9, .particle-10,
    .particle-11, .particle-12, .particle-13,
    .particle-14, .particle-15 {
        display: none;
    }
    
    /* 波光在平板端减少 */
    .sparkle {
        width: 2.5px;
        height: 2.5px;
    }
    
    .sparkle-7, .sparkle-8, .sparkle-9, .sparkle-10 {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        padding: 1rem 2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .business-grid,
    .modules-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card.large {
        grid-column: span 1;
    }
    
    .media-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .media-date {
        min-width: auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links-bottom {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .stat-divider {
        display: none;
    }
    
    /* 游艇在小屏手机上更小更快 */
    .sailing-boat {
        width: 170px; /* 从140px增加到170px */
        bottom: 20%;
        right: -180px; /* 对应调整起始位置 */
        animation-duration: 50s; /* 保持50s */
    }
    
    /* 船尾浪花在手机端进一步缩小 */
    .boat-wake {
        right: -75px;
        width: 75px;
        height: 55px;
    }
    
    .wake-wave {
        width: 55px;
        height: 2px;
    }
    
    .wake-foam {
        width: 30px;
        height: 18px;
    }
    
    /* 粒子进一步减少 */
    .particle-4, .particle-5, .particle-6, .particle-7 {
        display: none;
    }
    
    /* 波光进一步减少 */
    .sparkle-4, .sparkle-5, .sparkle-6 {
        display: none;
    }
}

/* ========================================
   数据航线图 Section
   ======================================== */
.data-routes {
    padding: 0;
    background: linear-gradient(to bottom, 
        #f0f8fc 0%, 
        #ffffff 30%,
        #ffffff 70%,
        #f0f8fc 100%);
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.data-routes::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(30, 123, 165, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(95, 168, 211, 0.04) 0%, transparent 50%),
        radial-gradient(circle, rgba(30, 123, 165, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 30px 30px;
    opacity: 1;
}

.data-routes > .container {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 90vh;
    position: relative;
    z-index: 1;
}

.data-routes .section-header {
    position: relative;
    z-index: 10;
    padding: 80px 0 40px;
}

.section-subtitle-italic {
    font-size: 3rem;
    font-style: italic;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.data-routes-date {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: 1rem;
}

/* 数据地图 */
.data-map {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 200px;
    margin: 0;
    pointer-events: none;
    background: radial-gradient(ellipse at center, 
        rgba(136, 198, 232, 0.03) 0%, 
        transparent 70%);
}

.map-watercolor {
    background: transparent;
    border-radius: 0;
    padding: 80px 60px 120px;
    position: relative;
    width: 100%;
    height: 100%;
    box-shadow: none;
}

/* 龙岗区行政地图 - 使用真实地图图片 */
.district-map {
    display: none;
}

.data-map::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: none;
    height: 100%;
    background-image: url('../images/longgang-map.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.35;
    z-index: 1;
    pointer-events: none;
}

.longgang-district {
    transition: all 0.8s ease;
}

.longgang-district path,
.longgang-district line,
.longgang-district circle,
.longgang-district text {
    transition: all 0.8s ease;
}

.longgang-district path[fill="none"] {
    stroke: var(--ocean-blue);
    stroke-width: 1;
    opacity: 0.3;
}

.longgang-district path[fill] {
    fill: var(--ocean-surface);
    opacity: 0.05;
}

.longgang-district line {
    opacity: 0.15;
}

.longgang-district circle {
    opacity: 0.2;
}

.longgang-district text {
    opacity: 0.25;
    font-size: 10px;
}

/* 数据节点 - 方框样式 */
.data-point-box {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 20;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    animation: point-float 3s ease-in-out infinite;
}

.data-point-box:nth-child(even) {
    animation-delay: -1.5s;
}

@keyframes point-float {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-5px);
    }
}

.point-box-marker {
    width: 28px;
    height: 28px;
    background: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(30, 123, 165, 0.15);
    border: 1px solid rgba(30, 123, 165, 0.2);
    transition: all 0.3s ease;
}

.point-box-marker i {
    color: var(--ocean-blue);
    font-size: 14px;
}

.data-point-box:hover .point-box-marker {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(30, 123, 165, 0.25);
    border-color: var(--ocean-blue);
}

.point-box-label {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    background: white;
    padding: 3px 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(30, 123, 165, 0.1);
}

/* 核心产品卡片 */
.route-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    position: relative;
    z-index: 10;
    padding: 40px 0 60px;
    margin-top: auto;
    align-self: flex-end;
}

.route-card {
    background: white;
    border-radius: 12px;
    padding: 24px 20px;
    box-shadow: 0 4px 20px rgba(30, 123, 165, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(30, 123, 165, 0.1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
}

.route-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--ocean-blue) 0%, 
        var(--ocean-surface) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.route-card:hover::before {
    transform: scaleX(1);
}

.route-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(30, 123, 165, 0.15);
    border-color: var(--ocean-blue);
}

.route-stats {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
    min-width: 80px;
    flex-shrink: 0;
}

.route-number {
    font-size: 2.5rem;
    font-weight: 300;
    font-style: italic;
    color: var(--ocean-blue);
    line-height: 1;
    letter-spacing: -1px;
}

.route-unit {
    font-size: 0.6875rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.route-distance {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.route-distance i {
    color: var(--ocean-blue);
    font-size: 0.875rem;
}

.route-content {
    position: relative;
}

.route-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.route-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 300;
}

/* 响应式设计 */
@media (max-width: 1200px) and (min-width: 769px) {
    .route-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .data-map {
        bottom: 260px;
    }
}

@media (max-width: 768px) {
    .data-routes {
        min-height: auto;
        padding-bottom: 40px;
    }
    
    .data-routes > .container {
        min-height: auto;
    }
    
    .data-routes .section-header {
        padding: 60px 0 30px;
    }
    
    .data-map {
        position: relative;
        bottom: auto;
        height: 300px;
        margin: 20px 0;
    }
    
    .section-subtitle-italic {
        font-size: 2rem;
    }
    
    .map-watercolor {
        padding: 60px 30px 80px;
    }
    
    .district-map {
        height: 400px;
    }
    
    .route-cards {
        grid-template-columns: 1fr;
        padding: 20px 0 40px;
        gap: 12px;
        margin-top: 0;
    }
    
    .route-card {
        padding: 20px 16px;
        gap: 16px;
    }
    
    .route-number {
        font-size: 2.5rem;
    }
    
    .data-point-box {
        transform: translate(-50%, -50%) scale(0.85);
    }
    
    .point-box-marker {
        width: 24px;
        height: 24px;
    }
    
    .point-box-marker i {
        font-size: 12px;
    }
    
    .point-box-label {
        font-size: 0.625rem;
        padding: 2px 6px;
    }
}

/* ========================================
   首页第三屏 - Lottie 动画展示
   ======================================== */
.third-screen-animation {
    position: relative;
    width: 100vw;
    min-height: 100vh;
    height: 100vh;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin: 0;
    padding: 0;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

.animation-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 响应式设计 */
@media (max-width: 960px) {
    .third-screen-animation {
        height: 80vh;
    }
}

@media (max-width: 600px) {
    .third-screen-animation {
        height: 60vh;
    }
}